No. 39. — 1889.] ZOOLOGICAL TABLES. 



209 



3. — Moderate. 26, 30, 32, 33. 



4. — Rather small. 18 to 23, 31, 42 to 56. 



5. — Small. 10 to 14. 



6. — Very small. 5 to 9. 



7. — Small, placed towards the upper surface of the head. 4. 

 g = 35 DlPSAS CEYLONENSIS. 



Pupil vertically elliptical. 



1. — Large. 35, 36. 

 2— Moderate. 15 to 17. 



3. — Small. 40, 41. 



4. — Very small. 34. 



q = 3 Python molurus. 

 Pupil vertical. 



1. — Small. 3. 



2. — Moderate. 57 to 60. 



D = 37 Dryophis mycterizans. 



Pupil horizontal ; eye rather large. 37, 38. 



E = 1 Typhlops braminus. 



Rudimentary ; under the shield. 



1. — Visible. 1. 



2. — Visible. 2. 



A = 24 Zamenis mucosus. 

 Simple. 



1. — Lateral. 1, 5 to 32, 35 to 39, 41 to 45, 58. 



2. — Later o-frontal. 1, 2. 



3. — Directed upwards. 4, 33. 



4. — On upper surface of snout. 3, 40. 



5. — As in a\ but very large, 57. 



6. — As in a\ but there is a deep pit between the nostril 



and the eye. 59, 60. 



